(a)What is the total number of meetings and/or conferences that were held by the National Institute for Humanities and Social Sciences in the (i) 2014-15, (ii) 2015-16 and (iii) 2016-17 financial years, (b) what (i) was the name and purpose of each meeting and conference held, (ii) was the total cost of each meeting and conference held, (iii) were the names of each service provider for each meeting and conference held and (iv) was the total amount paid to each service provider for each meeting and conference held, (c) who approved the expenditure for each meeting and conference held and (d) did expenditure for each meeting and conference comply with cost cutting measures and regulations of the National Treasury and the Auditor-General of South Africa?